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Finding the Fourth Proportional to 675,177.80, 931,610.58 and 373,313.48

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Solution

The fourth proportional to 675,177.80, 931,610.58 and 373,313.48 is: 515,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,177.80 : 931,610.58 = 373,313.48 : x
  2. Step 2: Convert to fraction form
    675,177.80/931,610.58 = 373,313.48/x
  3. Step 3: Cross multiply
    675,177.80x = 931,610.58 × 373,313.48
  4. Step 4: Simplify right side
    675,177.80x = 347,782,787,624.62
  5. Step 5: Solve for x
    x = 347,782,787,624.62/675,177.80
  6. Step 6: Final answer
    x = 515,098.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.